Description Videos Reviews Royal Purple Max-Clean is a highly concentrated, high-performance fuel system cleaner designed to maximize engine performance and fuel economy. Formulated with Polyether Amine (PEA) detergents and state-of-the-art additive technology, Max-Clean deeply penetrates and removes deposits and buildup throughout the fuel system. By cleaning clogged fuel injectors, it helps restore proper injector flow and spray patterns, improving fuel delivery, combustion efficiency, and overall engine responsiveness PERFORMANCE ADVANTAGES Choose Max-Clean to maximize your engine’s performance and provide confidence that your fuel system is clean, protected, and operating at its best every time you drive. For use in gasoline engines Maximizes fuel economy Maximizes engine performance Removes deposits & buildup Cleans fuel injectors to improve performance & flow Stabilizes fuel for storage Prevents rough idle, hesitation, and stalling RECOMMENDED TREAT RATE Pour entire contents of bottle into nearly empty tank immediately before refueling, then install fuel on top of additive. One (1) can treats up to 20 gallons. For tank sizes outside of this range, use one (1) ounce per gallon. In two-cycle engines, use one (1) ounce per gallon. RECOMMENDED USAGE Max-Clean should be used every 10,000 miles or annually, whichever comes first. Royal Purple Max-Clean restores fuel economy by deeply penetrating deposits and cleaning! Royal Purple Max-Clean® Maximize the performance of your fuel system with Royal Purple... Royal Purple Max-Clean No matter what you drive, you can trust the Synthetic Expert: ... Royal Purple Max-Clean: Fresh look, same formula built to maximize performance of your fuel system. Royal Purple Max-Clean Royal Purple Max-Clean, fuel system cleaner and stabilizer, re...